Think of a number (Keep the number to yourself).
Add five to it.
Multiply the total by two.
Subtract the original number twice.
Is the answer "TEN"?
Thinker: How is it done?
.
Tuesday, 19 August 2008
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2 comments:
Very Easy...xelect X instead of any no and then it will be very clear...
yes, in connection to what sourav said, 2 have been distributed to the your number and to five:
2(x+5) = 2x+10
then subtract twice your number (2x) again from the resulting expression (2x+10).. leaving '10'
2x+10-2x = 10
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